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1.2.3 quiz: rational expressions
question 4 of 10
2 points
what is the value of the rational expression below when x is equal to 5?
15 - x
x-10

Solve the inequality, then identify the graph of the solution. 2x – 1 > x + 2

How many zeros does the function f(x)=4x3-x2+1 have

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297